Dayton, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -31.7° (1994) 23.9° (1906) 2.6" 9.9"
February -5° -33.3° (1899) 22.8° (2000) 2.29" 6.5"
March -1° -21.7° (1980) 30.6° (1910) 3.29" 4.8"
April 16° -9.4° (1972) 32.2° (1942) 4.03" 0.8"
May 11° 22° -3.3° (1963) 36.7° (1911) 4.17" 0"
June 16° 27° 2.8° (1913) 38.9° (1988) 4.21" 0"
July 18° 29° 6.7° (1972) 42.2° (1901) 3.75" 0"
August 17° 28° 2.8° (1915) 40.6° (1918) 3.49" 0"
September 13° 24° -1.7° (1913) 38.9° (1899) 2.65" 0"
October 18° -7.8° (1895) 33.9° (1900) 2.72" 0.4"
November 10° -18.9° (1958) 30° (1909) 3.3" 1.4"
December -4° -28.9° (1989) 22.2° (1998) 3.08" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 17.2° 28.3° 8° (1988) 38° (1941) 0.13" NA
Jul 2 17.2° 28.3° 8° (1918) 37° (1966) 0.13" NA
Jul 3 17.8° 28.3° 10° (1924) 39° (1897) 0.13" NA
Jul 4 17.8° 28.9° 9° (1968) 40° (1897) 0.13" NA
Jul 5 17.8° 28.9° 8° (1922) 42° (1911) 0.13" NA
Jul 6 17.8° 28.9° 7° (1972) 38° (1921) 0.12" NA
Jul 7 17.8° 28.9° 8° (1913) 38° (1988) 0.12" NA
Jul 8 17.8° 28.9° 9° (1984) 39° (1936) 0.12" NA
Jul 9 17.8° 28.9° 9° (1918) 39° (1897) 0.12" NA
Jul 10 17.8° 28.9° 9° (1963) 39° (1897) 0.12" NA
Jul 11 17.8° 28.9° 7° (1898) 39° (1936) 0.12" NA
Jul 12 17.8° 28.9° 9° (1898) 40° (1914) 0.12" NA
Jul 13 17.8° 28.9° 9° (1940) 39° (1936) 0.12" NA
Jul 14 18.3° 28.9° 9° (1894) 40° (1936) 0.12" NA
Jul 15 18.3° 28.9° 9° (1903) 39° (1988) 0.12" NA
Jul 16 18.3° 28.9° 11° (1903) 38° (1988) 0.12" NA
Jul 17 18.3° 29.4° 11° (1976) 38° (1942) 0.12" NA
Jul 18 18.3° 29.4° 11° (1911) 37° (1921) 0.12" NA
Jul 19 18.3° 29.4° 9° (1910) 37° (1895) 0.12" NA
Jul 20 18.3° 29.4° 9° (1929) 38° (1934) 0.12" NA
Jul 21 18.3° 29.4° 9° (1974) 41° (1934) 0.12" NA
Jul 22 18.3° 29.4° 9° (1911) 42° (1901) 0.12" NA
Jul 23 18.3° 29.4° 11° (1985) 38° (1933) 0.12" NA
Jul 24 18.3° 29.4° 10° (1906) 39° (1934) 0.12" NA
Jul 25 18.3° 29.4° 10° (1913) 40° (1934) 0.12" NA
Jul 26 18.3° 28.9° 9° (1920) 38° (1901) 0.12" NA
Jul 27 18.3° 28.9° 8° (1911) 40° (1901) 0.11" NA
Jul 28 17.8° 28.9° 10° (1920) 39° (1901) 0.11" NA
Jul 29 17.8° 28.9° 11° (1968) 38° (1901) 0.12" NA
Jul 30 17.8° 28.9° 10° (1981) 39° (1913) 0.12" NA
Jul 31 17.8° 28.9° 11° (1997) 38° (1913) 0.12" NA
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